Mirrors/overte
3
0
Fork 0
mirror of https://github.com/overte-org/overte.git synced 2025-04-20 03:44:02 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

Finished up basic falling sand example script

Browse source
This commit is contained in:
barnold1953 2014-07-16 11:21:58 -07:00
parent f6a184fc2b
commit 8b911c3e2c
1 changed files with 13 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

20
examples/fallingSand.js
View file

@ -436,7 +436,7 @@ var removeArraySize = 0;
//The colors must be different
var activeSandColor = { r: 234, g: 206, b: 106};
var inactiveSandColor = { r: 233, g: 0, b: 0};
var inactiveSandColor = { r: 233, g: 206, b: 106};
//This is used as an optimization, so that we
//will check our 6 neighbors at most once.
@ -447,6 +447,7 @@ var activateMap = {};
function update() {
//Clear the activate map each frame
activateMap = {};
//Update all sand in our sandArray
@ -475,7 +476,7 @@ function update() {
for (var key in activateMap) {
var voxel = activateMap[key];
Voxels.setVoxel(voxel.x, voxel.y, voxel.z, voxel.s, 0, 0, 255);
Voxels.setVoxel(voxel.x, voxel.y, voxel.z, voxel.s, activeSandColor.r, activeSandColor.g, activeSandColor.b);
sandArray[numSand++] = { x: voxel.x, y: voxel.y, z: voxel.z, s: voxel.s, r: activeSandColor.r, g: activeSandColor.g, b: activeSandColor.b };
}
}
@ -488,8 +489,7 @@ function makeSphere(cx, cy, cz, r, voxelSize) {
var dx;
var dy;
var dz;
sandArray[numSand++] = { x: cx, y: cy, z: cz, s: voxelSize, r: activeSandColor.r, g: activeSandColor.g, b: activeSandColor.b };
return
for (var x = cx - r; x <= cx + r; x += voxelSize) {
for (var y = cy - r; y <= cy + r; y += voxelSize) {
for (var z = cz - r; z <= cz + r; z += voxelSize) {
@ -506,6 +506,7 @@ function makeSphere(cx, cy, cz, r, voxelSize) {
}
}
//Check if a given voxel is empty
function isVoxelEmpty(x, y, z, s, isAdjacent) {
var halfSize = s / 2;
var point = {x: x + halfSize, y: y + halfSize, z: z + halfSize };
@ -524,21 +525,24 @@ function isVoxelEmpty(x, y, z, s, isAdjacent) {
return false;
}
//Moves voxel to x,y,z if the space is empty
function tryMoveVoxel(voxel, x, y, z) {
//If the adjacent voxel is empty, we will move to it.
if (isVoxelEmpty(x, y, z, voxel.s, false)) {
moveVoxel(voxel, x, y, z);
var hsize = voxel.s / 2;
//Get all adjacent voxels for activation
for (var i = 0; i < 5; i++) {
var point = {x: voxel.x + directionVecs[i].x * voxel.s + hsize, y: voxel.y + directionVecs[i].y * voxel.s + hsize, z: voxel.z + directionVecs[i].z * voxel.s + hsize };
adjacentVoxels[numAdjacentVoxels++] = Voxels.getVoxelEnclosingPointBlocking(point);
}
moveVoxel(voxel, x, y, z);
//Get all adjacent voxels for activation
return true;
}
return false;
}
//Moves voxel to x,y,z
function moveVoxel(voxel, x, y, z) {
activateNeighbors();
removeArray[removeArraySize++] = {x: voxel.x, y: voxel.y, z: voxel.z, s: voxel.s};
@ -554,6 +558,7 @@ var RIGHT = 2;
var FRONT = 3;
var TOP = 4;
//These indicate the different directions to neighbor voxels, so we can iterate them
var directionVecs = [];
directionVecs[LEFT] = {x: -1, y: 0, z: 0}; //Left
directionVecs[BACK] = {x: 0, y: 0, z: -1}; //Back
@ -594,12 +599,12 @@ function activateNeighbors() {
var voxel = adjacentVoxels[i];
//Check if this neighbor is inactive, if so, activate it
if (voxel.red == inactiveSandColor.r && voxel.green == inactiveSandColor.g && voxel.blue == inactiveSandColor.b) {
print("Activating");
activateMap[voxel.x.toString() + "," + voxel.y.toString() + ',' + voxel.z.toString()] = voxel;
}
}
}
//Deactivates a sand voxel to save processing power
function deactivateSand(i) {
var voxel = sandArray[i];
addArray[addArraySize++] = {x: voxel.x, y: voxel.y, z: voxel.z, s: voxel.s, r: inactiveSandColor.r, g: inactiveSandColor.g, b: inactiveSandColor.b};
@ -607,6 +612,7 @@ function deactivateSand(i) {
numSand--;
}
//Cleanup
function scriptEnding() {
for (var i = 0; i < numSand; i++) {
var voxel = sandArray[i];